LCC20 120: Steering Flashcards
1
Q
Steering motors
A
125 HP electric motors that turn at a constant 1800 RPM
2
Q
Steering Pumps
A
pump hydraulic oil to the ram assemblies. maintains pressure at 300-600psi.
3
Q
trick wheel
A
send mechanical signal to control the rudder.
4
Q
ram assembly
A
two rams are attached to the cross-head and move back and forth between two cylinders.
5
Q
Emergency steering hand pump
A
in case of power failure. 30 turns for 1 degree turn
6
Q
4 methods of operation
A
helm
trick wheel
hand pump
jacking wrench
